From f116c9146e53d885840ed957204d60d81fd858bd Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 26 Nov 2022 09:12:23 +0100
Subject: Read and use config file

---
 config.cpp                | 25 +++++++++++++++++++++++--
 debian/whiteboard.conf    |  3 +++
 debian/whiteboard.install |  1 +
 3 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 debian/whiteboard.conf
 create mode 100644 debian/whiteboard.install

diff --git a/config.cpp b/config.cpp
index a3fcf3c..6e2e2b6 100644
--- a/config.cpp
+++ b/config.cpp
@@ -1,8 +1,29 @@
 #include "config.h"
 
-Config::Config(): m_dataPath{"/var/lib/whiteboard"}
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/xml_parser.hpp>
+
+#include <iostream>
+
+namespace pt = boost::property_tree;
+
+namespace {
+ const std::string default_datapath {"/var/lib/whiteboard"};
+ const std::string config_filename{"/etc/webserver.conf"};
+}
+
+Config::Config(): m_dataPath{default_datapath}
 {
- // TODO: read /etc/whiteboard.conf xml
+
+ try {
+  pt::ptree tree;
+
+  pt::read_xml(config_filename, tree, pt::xml_parser::no_comments | pt::xml_parser::trim_whitespace);
+
+  m_dataPath = tree.get<std::string>("whiteboard.datapath", default_datapath);
+ } catch (const std::exception& ex) {
+  std::cerr << "Error reading config file " << config_filename << ". Using " << default_datapath << "." << std::endl;
+ }
 }
 
 std::string Config::getDataPath()
diff --git a/debian/whiteboard.conf b/debian/whiteboard.conf
new file mode 100644
index 0000000..91a868a
--- /dev/null
+++ b/debian/whiteboard.conf
@@ -0,0 +1,3 @@
+<whiteboard>
+ <datapath>/var/lib/whiteboard</datapath>
+<whiteboard>
diff --git a/debian/whiteboard.install b/debian/whiteboard.install
new file mode 100644
index 0000000..fa446b2
--- /dev/null
+++ b/debian/whiteboard.install
@@ -0,0 +1 @@
+debian/whiteboard.conf etc
-- 
cgit v1.2.3